1098134193 has 16 divisors (see below), whose sum is σ = 1669562496. Its totient is φ = 636023040.

The previous prime is 1098134183. The next prime is 1098134249. The reversal of 1098134193 is 3914318901.

It is a happy number.

It is not a de Polignac number, because 1098134193 - 2⁵ = 1098134161 is a prime.

It is a super-2 number, since 2×1098134193² = 2411797411671522498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1098134123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827493 + ... + 828818.

It is an arithmetic number, because the mean of its divisors is an integer number (104347656).

Almost surely, 2^1098134193 is an apocalyptic number.

1098134193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1098134193 is a deficient number, since it is larger than the sum of its proper divisors (571428303).

1098134193 is a wasteful number, since it uses less digits than its factorization.

1098134193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656344.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1098134193 is about 33138.1078669257. The cubic root of 1098134193 is about 1031.6961380426.

The spelling of 1098134193 in words is "one billion, ninety-eight million, one hundred thirty-four thousand, one hundred ninety-three".